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Google Gemini API

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Access Gemini 3 Pro preview and 2.5 family via pay-as-you-go with tools, caching, and Live API

Updated Dec 7, 2025
API/SDK ToolPay-per-useWebAll platforms via API
Last reviewed: Dec 7, 2025Details verified against vendor changelogs and hands-on usage.
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Pricing and features change frequently—confirm on the vendor site.

About

The Gemini API exposes multimodal Gemini 3 Pro preview, Gemini 2.5 Pro, 2.5 Flash, and 2.5 Flash-Lite with text, image, audio, and video support. Developers get OpenAI-compatible endpoints, tool use (Search, Maps, code execution, URL, File Search, computer-use), context caching, Batch API, and a Live streaming API. Free tier offers limited usage; paid tier is per-token with higher limits and content not used to improve models.

Key Features

  • Gemini 3 Pro preview and Gemini 2.5 Pro/Flash/Flash-Lite models
  • Multimodal inputs (text, image, audio, video) with text output and image generation
  • Tools: function calling, code execution, Google Search/Maps grounding, URL context, File Search, computer-use
  • Live streaming API with tool use
  • Batch API (discounted), context caching, and OpenAI-compatible SDKs

Use Cases

  • Multimodal AI applications with text, image, and audio inputs
  • Grounded responses using Google Search or Maps
  • Batch processing and caching for cost-sensitive workloads
  • Live API streaming with tool use and function calling

Technical Details

Languages

PythonJavaScript/TypeScriptGoJavaREST

AI Models

Gemini 3 Pro (preview)Gemini 2.5 ProGemini 2.5 FlashGemini 2.5 Flash-Lite

Integrations

Google AI StudioVertex AI (Enterprise)FirebaseOpenAI-compatible endpoints

Frequently Asked Questions

What is Google Gemini API?

The Gemini API exposes multimodal Gemini 3 Pro preview, Gemini 2.5 Pro, 2.5 Flash, and 2.5 Flash-Lite with text, image, audio, and video support. Developers get OpenAI-compatible endpoints, tool use (Search, Maps, code execution, URL, File Search, computer-use), context caching, Batch API, and a Live streaming API. Free tier offers limited usage; paid tier is per-token with higher limits and content not used to improve models.

How much does Google Gemini API cost?

Google Gemini API offers pay-per-use pricing. Plans include: Free: $0, Paid: Usage-based. A free tier is available.

What programming languages does Google Gemini API support?

Google Gemini API supports 5+ programming languages including Python, JavaScript/TypeScript, Go, Java, REST.

What AI models does Google Gemini API use?

Google Gemini API is powered by Gemini 3 Pro (preview), Gemini 2.5 Pro, Gemini 2.5 Flash, Gemini 2.5 Flash-Lite.

What platforms does Google Gemini API support?

Google Gemini API is available on Web, All platforms via API.

What can Google Gemini API do?

Google Gemini API provides code completion, code generation, AI chat, agentic/autonomous mode. Key features include: Gemini 3 Pro preview and Gemini 2.5 Pro/Flash/Flash-Lite models, Multimodal inputs (text, image, audio, video) with text output and image generation, Tools: function calling, code execution, Google Search/Maps grounding, URL context, File Search, computer-use.

Pricing

Free

$0
  • Limited access to select models
  • Google AI Studio access

Paid

Usage-based
  • Higher rate limits
  • Context caching
  • Batch API
  • Advanced models

Company

Name
Google
Founded
1998
Location
Mountain View, CA
Users
Millions of developers

Links

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